Bicycle wheel After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?

Athlete How long length run athlete when the track is circular shape of radius 120 meters and an athlete runs five times in the circuit?

Two circles Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles?

Clock hands The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?

Circle - simple The circumference of a circle is 930 mm. How long in mm is its diameter?

Velocipede The front wheel of velocipede from year 1880 had a diameter 1.8 m. If the front wheel turned again one then rear wheel 6 times. What was the diameter of the rear wheel?

Well Rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter 50 cm. How many meters will drop bucket when the wheels turn 15 times?

Bicycle wheel Bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?

Flowerbed In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?

Odometer The odometer is driven by rotation of the wheel whose diameter is 65 cm. After how many rotations the wheel turns counter to next kilometer?